VERDUIJN den BOER, Alex (1958-). (City view). (N.d.). Linocut. 270 x 360 mm. Signed, "lino e.d." and numb. (14/30) in pencil. Under passepartout. -- Evert SALIS (1963). (Trams and boats). 2002. Gouache. 155 x 110 mm. Monogrammed and dated. Under passepartout. -- Peter ZUUR (1957-). "Fiat". 2006. Etching. 140 x 195 mm. Signed, dated, titled and numb. (7/17) in pencil. Under passepartout. -- Id. (Ship). 2007. Etching. 135 x 195 mm. Monogrammed, dated and numb. (12/25) in pencil. Under passepartout. -- (4).